/*
 Copyright (c) 2013 yvt

 This file is part of OpenSpades.

 OpenSpades is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 OpenSpades is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with OpenSpades.  If not, see <http://www.gnu.org/licenses/>.

 */

#pragma once

#include <array>
#include <map>
#include <memory>

#include <Client/IAudioDevice.h>

namespace spades {
	namespace audio {

		class YsrDriver;
		class YsrAudioChunk;
		struct SdlAudioDevice;

		class YsrDevice : public client::IAudioDevice {
			std::shared_ptr<YsrDriver> driver;
			client::GameMap *gameMap;
			std::unique_ptr<SdlAudioDevice> sdlAudioDevice;
			Vector3 listenerPosition;

			int roomHistoryPos;
			enum { RoomHistorySize = 128 };
			std::array<float, RoomHistorySize> roomHistory;
			std::array<float, RoomHistorySize> roomFeedbackHistory;

			std::map<std::string, YsrAudioChunk *> chunks;
			YsrAudioChunk *CreateChunk(const char *name);

			static void SpatializeCallback(const void *, void *, YsrDevice *);
			static void RenderCallback(YsrDevice *, float *, int);
			void Render(float *stream, int numBytes);
			void Spatialize(const void *, void *);

		protected:
			~YsrDevice();

		public:
			YsrDevice();

			static bool TryLoadYsr();

			client::IAudioChunk *RegisterSound(const char *name) override;

			void ClearCache() override;

			void SetGameMap(client::GameMap *) override;

			void Play(client::IAudioChunk *, const Vector3 &origin,
			                  const client::AudioParam &) override;
			void PlayLocal(client::IAudioChunk *, const Vector3 &origin,
			                       const client::AudioParam &) override;
			void PlayLocal(client::IAudioChunk *, const client::AudioParam &) override;

			void Respatialize(const Vector3 &eye, const Vector3 &front, const Vector3 &up) override;
		};
	}
}
